The replication files consist of 
	two data sets, "immigrationEthics_data_study1And2.csv" and "immigrationEthics_data_study3", 
	one R run file to reproduce figures and tables, and 
	two codebooks, "codebook_immigrationEthics_study1And2.pdf" and "codebook_immigrationEthics_study3.pdf", detailing the values and distribution of variables.  